Do you mean a live (PE, Preinstalled Environment) USB, or just an installer?
If a PE is enough, Microsoft provides a free Win7 one with the WIAK (Windows Automated Installation Kit), but it is a massive download. Oops, it requires a Windows install just to create the boot ISO before using it lol.
XP is kind of difficult to install via USB, but there are a few guides on the net. If you want a pre-tweaked version, this is a good one: ...
I thought warez was illegal on this forum ?
Content like this can get bitcointalk.org banned under laws like SOPA / PIPA ...
It isn't warez if you have a key.
No I don't need the disks.
I have originals of those also (and real licenses I own, as I mentioned above)
Just a guide to make a USB that someone has used that didn't require much thinking
Though, I would suggest removing that link from the posts (bulanula also) since a TPB link isn't ideal to ever post anywhere
Edit: also probably better to just PM me if anyone has a suggestion